Businessweek

FDK CORPORATION engages in the production and sale of electronic components and batteries in Japan and internationally. The company offers coil devices, multilayer power inductors, toners, high frequency devices, microwave components, optical devices, ferrites, transformers/choke coils, power systems, EMI suppression products, piezoceramic products, modules for light emitting diode, and hybrid modules for liquid crystal and plasma display panels, as well as small packaged IC generators. It also provides alkaline, carbon-zinc, nickel metal hydride rechargeable, lithium, and specialty batteries, as well as button cells and ultra lithum-ion capacitors. The company was founded in 1950 and is headquartered in Tokyo, Japan.